com.datastrato.gravitino.rel

Interface TableChange

All Known Subinterfaces:

TableChange.ColumnChange

All Known Implementing Classes:

TableChange.AddColumn, TableChange.DeleteColumn, TableChange.RemoveProperty, TableChange.RenameColumn, TableChange.RenameTable, TableChange.SetProperty, TableChange.UpdateColumnComment, TableChange.UpdateColumnNullability, TableChange.UpdateColumnPosition, TableChange.UpdateColumnType, TableChange.UpdateComment

public interface TableChange

The TableChange interface defines the public API for managing tables in a schema. If the catalog implementation supports tables, it must implement this interface.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	TableChange.AddColumn A TableChange to add a field.
static class	TableChange.After Column position AFTER means the specified column should be put after the given `column`.
static interface	TableChange.ColumnChange The interface for all column changes.
static interface	TableChange.ColumnPosition The interface for all column positions.
static class	TableChange.Default Column position DEFAULT means the position of the column was ignored by the user, and should be determined by the catalog implementation.
static class	TableChange.DeleteColumn A TableChange to delete a field.
static class	TableChange.First Column position FIRST means the specified column should be the first column.
static class	TableChange.RemoveProperty A TableChange to remove a table property.
static class	TableChange.RenameColumn A TableChange to rename a field.
static class	TableChange.RenameTable A TableChange to rename a table.
static class	TableChange.SetProperty A TableChange to set a table property.
static class	TableChange.UpdateColumnComment A TableChange to update the comment of a field.
static class	TableChange.UpdateColumnNullability A TableChange to update the nullability of a field.
static class	TableChange.UpdateColumnPosition A TableChange to update the position of a field.
static class	TableChange.UpdateColumnType A TableChange to update the type of a field.
static class	TableChange.UpdateComment A TableChange to update a table's comment.

Method Summary

Modifier and Type	Method and Description
static TableChange	addColumn(java.lang.String[] fieldName, Type dataType) Create a TableChange for adding an optional column.
static TableChange	addColumn(java.lang.String[] fieldName, Type dataType, boolean nullable) Create a TableChange for adding a column.
static TableChange	addColumn(java.lang.String[] fieldName, Type dataType, java.lang.String comment) Create a TableChange for adding a column.
static TableChange	addColumn(java.lang.String[] fieldName, Type dataType, java.lang.String comment, boolean nullable) Create a TableChange for adding a column.
static TableChange	addColumn(java.lang.String[] fieldName, Type dataType, java.lang.String comment, TableChange.ColumnPosition position) Create a TableChange for adding a column.
static TableChange	addColumn(java.lang.String[] fieldName, Type dataType, java.lang.String comment, TableChange.ColumnPosition position, boolean nullable) Create a TableChange for adding a column.
static TableChange	addColumn(java.lang.String[] fieldName, Type dataType, TableChange.ColumnPosition position) Create a TableChange for adding a column.
static TableChange	deleteColumn(java.lang.String[] fieldName, java.lang.Boolean ifExists) Create a TableChange for deleting a field.
static TableChange	removeProperty(java.lang.String property) Create a TableChange for removing a table property.
static TableChange	rename(java.lang.String newName) Create a TableChange for renaming a table.
static TableChange	renameColumn(java.lang.String[] fieldName, java.lang.String newName) Create a TableChange for renaming a field.
static TableChange	setProperty(java.lang.String property, java.lang.String value) Create a TableChange for setting a table property.
static TableChange	updateColumnComment(java.lang.String[] fieldName, java.lang.String newComment) Create a TableChange for updating the comment of a field.
static TableChange	updateColumnNullability(java.lang.String[] fieldName, boolean nullable) Create a TableChange for updating the nullability of a field.
static TableChange	updateColumnPosition(java.lang.String[] fieldName, TableChange.ColumnPosition newPosition) Create a TableChange for updating the position of a field.
static TableChange	updateColumnType(java.lang.String[] fieldName, Type newDataType) Create a TableChange for updating the type of a field that is nullable.
static TableChange	updateComment(java.lang.String newComment) Create a TableChange for updating the comment.

Method Detail

rename

static TableChange rename(java.lang.String newName)

Create a TableChange for renaming a table.

Parameters:

newName - The new table name.

Returns:

A TableChange for the rename.

updateComment

static TableChange updateComment(java.lang.String newComment)

Create a TableChange for updating the comment.

Parameters:

newComment - The new comment.

Returns:

A TableChange for the update.

setProperty

static TableChange setProperty(java.lang.String property,
                               java.lang.String value)

Create a TableChange for setting a table property.

If the property already exists, it will be replaced with the new value.

Parameters:

property - The property name.

value - The new property value.

Returns:

A TableChange for the addition.

removeProperty

static TableChange removeProperty(java.lang.String property)

Create a TableChange for removing a table property.

If the property does not exist, the change will succeed.

Parameters:

property - The property name.

Returns:

A TableChange for the addition.

addColumn

static TableChange addColumn(java.lang.String[] fieldName,
                             Type dataType)

Create a TableChange for adding an optional column.

If the field already exists, the change will result in an IllegalArgumentException. If the new field is nested and its parent does not exist or is not a struct, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The field name of the new column.

dataType - The new column's data type.

Returns:

A TableChange for the addition.

addColumn

static TableChange addColumn(java.lang.String[] fieldName,
                             Type dataType,
                             java.lang.String comment)

Create a TableChange for adding a column.

If the field already exists, the change will result in an IllegalArgumentException. If the new field is nested and its parent does not exist or is not a struct, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The field name of the new column.

dataType - The new column's data type.

comment - The new field's comment string.

Returns:

A TableChange for the addition.

addColumn

static TableChange addColumn(java.lang.String[] fieldName,
                             Type dataType,
                             TableChange.ColumnPosition position)

Create a TableChange for adding a column.

If the field already exists, the change will result in an IllegalArgumentException. If the new field is nested and its parent does not exist or is not a struct, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The field name of the new column.

dataType - The new column's data type.

position - The new column's position.

Returns:

A TableChange for the addition.

addColumn

static TableChange addColumn(java.lang.String[] fieldName,
                             Type dataType,
                             java.lang.String comment,
                             TableChange.ColumnPosition position)

Create a TableChange for adding a column.

If the field already exists, the change will result in an IllegalArgumentException. If the new field is nested and its parent does not exist or is not a struct, the change will result in an IllegalArgumentException.

Parameters:

fieldName - Field name of the new column.

dataType - The new column's data type.

comment - The new field's comment string.

position - The new column's position.

Returns:

A TableChange for the addition.

addColumn

static TableChange addColumn(java.lang.String[] fieldName,
                             Type dataType,
                             boolean nullable)

Create a TableChange for adding a column.

If the field already exists, the change will result in an IllegalArgumentException. If the new field is nested and its parent does not exist or is not a struct, the change will result in an IllegalArgumentException.

Parameters:

fieldName - Field name of the new column.

dataType - The new column's data type.

nullable - The new column's nullable.

Returns:

A TableChange for the addition.

addColumn

static TableChange addColumn(java.lang.String[] fieldName,
                             Type dataType,
                             java.lang.String comment,
                             boolean nullable)

Create a TableChange for adding a column.

Parameters:

fieldName - Field name of the new column.

dataType - The new column's data type.

comment - The new field's comment string.

nullable - The new column's nullable.

Returns:

A TableChange for the addition.

addColumn

static TableChange addColumn(java.lang.String[] fieldName,
                             Type dataType,
                             java.lang.String comment,
                             TableChange.ColumnPosition position,
                             boolean nullable)

Create a TableChange for adding a column.

If the field already exists, the change will result in an IllegalArgumentException. If the new field is nested and its parent does not exist or is not a struct, the change will result in an IllegalArgumentException.

Parameters:

fieldName - Field name of the new column.

dataType - The new column's data type.

comment - The new field's comment string.

position - The new column's position.

nullable - The new column's nullable.

Returns:

A TableChange for the addition.

renameColumn

static TableChange renameColumn(java.lang.String[] fieldName,
                                java.lang.String newName)

Create a TableChange for renaming a field.

The name is used to find the field to rename. The new name will replace the leaf field name. For example, renameColumn(["a", "b", "c"], "x") should produce column a.b.x.

If the field does not exist, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The current field name.

newName - The new name.

Returns:

A TableChange for the rename.

updateColumnType

static TableChange updateColumnType(java.lang.String[] fieldName,
                                    Type newDataType)

Create a TableChange for updating the type of a field that is nullable.

The field name are used to find the field to update.

If the field does not exist, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The field name of the column to update.

newDataType - The new data type.

Returns:

A TableChange for the update.

updateColumnComment

static TableChange updateColumnComment(java.lang.String[] fieldName,
                                       java.lang.String newComment)

Create a TableChange for updating the comment of a field.

The name is used to find the field to update.

If the field does not exist, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The field name of the column to update.

newComment - The new comment.

Returns:

A TableChange for the update.

updateColumnPosition

static TableChange updateColumnPosition(java.lang.String[] fieldName,
                                        TableChange.ColumnPosition newPosition)

Create a TableChange for updating the position of a field.

The name is used to find the field to update.

If the field does not exist, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The field name of the column to update.

newPosition - The new position.

Returns:

A TableChange for the update.

deleteColumn

static TableChange deleteColumn(java.lang.String[] fieldName,
                                java.lang.Boolean ifExists)

Create a TableChange for deleting a field.

If the field does not exist, the change will result in an IllegalArgumentException unless ifExists is true.

Parameters:

fieldName - Field name of the column to delete.

ifExists - If true, silence the error if column does not exist during drop. Otherwise, an IllegalArgumentException will be thrown.

Returns:

A TableChange for the delete.

updateColumnNullability

static TableChange updateColumnNullability(java.lang.String[] fieldName,
                                           boolean nullable)

Create a TableChange for updating the nullability of a field.

The name are used to find the field to update.

If the field does not exist, the change will result in an IllegalArgumentException.

Parameters:

fieldName - The field name of the column to update.

nullable - The new nullability.

Returns:

A TableChange for the update.